24 
scentia. Spermatia elongata vel filiformia, brevia, recta vel 
curvula, incoloria. 
Fungilli in corticibus arborum, caulibus foliisqve aridis potissi- 
mum hieme vigentes. - 
L.. RHYTISMA Fr. in Vet. Ak. Handl. 1819, p. 104. 
Apothecia innato-emergentia, applanata, orbicularia vel 
maculiformia, pariete superno cum cuticula vel epidermide 
matricis nigrefacta connata, primum clausa, matura in rimas 
secus hymenia flexuosas rumpentia. Hymenia, hypothecio 
valde crasso, carnoso-suberino vel sclerotieo, albo, imposita, 
ut plurimum pluria flexuosa in singulo apothecio, rarius uni- 
cum  disciforme vel annuliforme. Asci cylindraceo-clavati, 
apice acutati. Sporae 8:nae, conglobatae, filiformes, simpli- 
ces, hyalinae vel luteolae. Paraphyses filiformes, apice cla- 
vatae. — Spermogonia orbiculari-depressa vel obtuse conoi- 
dea. Spermatia filiformia, brevissima, recta vel curvula. 
Fungi vere entophyti, folia arborum fruticomqve infestantes, atri. 
LIL. TRIBLIDIOPSIS Karsrt. 
Apothecia erumpentia, liberata, substipitata, difformia, 
primum clausa, tandem tempore debito a centro versus am- 
bitum in lacinias dehiscentia, hypothecio crasso, sclerotieo, 
albo. Asci clavati, mediocres. Sporae 8:nae, subdistichae, 
fusoideo-oblongatae, simplices vel spurie uniseptatae, mem- 
brana crassa hyalina textae. Paraphyses filiformes. — Sper- 
mogonia apotheciis immixta, sphaeriiformia, unilocularia, ni- 
gra. Spermatia filiformia, simplicia, arcuata. 
Plantulae solitariae vel saepius caespitosae, per corticem arbo- 
rum acerosarum erumpentes, atrae, perennes. 
LIII. TRIBLIDIUM Resenr. Ind. p. 40 (teste Fr.) Fr. 
Summ:; Veg. Scand. p. 369 pr. p. 
Apothecia erumpentia, demum omnino superficialia, sub- 
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